Switching an existing Phoenix app from Brunch to Webpack EQRCode v 0.1.5 generating QR Code on PNG

Verifying request- signatures in Phoenix

I really struggled with verifying signing secrets on Slack so I decided to post on how to do it yourself if you’re working with the Slack API at all. This goes over some gotchas including Gregorian to UNIX timestamps, HMAC cryptography, and more:

https://userinterfacing.com/verifying-request-signatures-in-elixir-phoenix/

Shameless plug: Check out @elixirstatus' other community project:

Credo, a new static code analysis tool that acts as a code linter, but also focusses on teaching coding practices and code consistency.